Finding the Fourth Proportional to 439,533,828.75, 658,799,231.64 and 177,050,421.99
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Solution
The fourth proportional to 439,533,828.75, 658,799,231.64 and 177,050,421.99 is: 265,373,617.09
Step by Step Solution
- Step 1: Write the proportion equation
439,533,828.75 : 658,799,231.64 = 177,050,421.99 : x - Step 2: Convert to fraction form
439,533,828.75/658,799,231.64 = 177,050,421.99/x - Step 3: Cross multiply
439,533,828.75x = 658,799,231.64 × 177,050,421.99 - Step 4: Simplify right side
439,533,828.75x = 116,640,681,968,549,760 - Step 5: Solve for x
x = 116,640,681,968,549,760/439,533,828.75 - Step 6: Final answer
x = 265,373,617.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.